Born February 12, 1923 in New York City, New York, USA.
Died April 24, 1998 (age of 75) in Sherman Oaks, California, USA.
Married to actress [a=Martha Scott] (1946-1998, his death).
He won the 1990 Pulitzer Prize in music for his composition, "Duplicates: A Concerto for Two Pianos and Orchestra".
Powell began as a teenager at Nick's in New York before joining the band of Mugsy Spanier. With Benny Goodman from 1941, for who he wrote several seminal tracks, including "The Earl", "Clarinet a la King" and "Mission to Moscow". He was a member of Glenn Miller's Army Band during World War II. He turned to classical music in the 1980's.
Credited also for writing liner notes.